Estimate deterministic risk score and level for candidate SQL (alias of validate_sql).
AI agents call estimate_query_risk to retrieve information from MSSQL MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool analyzes and scores SQL queries for risk but does not execute them or modify data. It performs a read-like operation (inspection/validation of query text) with no side effects. The server itself emphasizes 'read-only query execution' and 'safety validation', and this tool appears to be part of the validation/safety layer rather than an execution mechanism.
From the tool's definition Tool is an alias of validate_sql which validates SQL syntax and safety. The description states it 'estimate[s] deterministic risk score and level' for candidate SQL, indicating analysis and classification of queries rather than execution.
Attacks that exploit this kind of access
Estimate deterministic risk score and level for candidate SQL (alias of validate_sql). It is categorised as a Read tool in the MSSQL MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MSSQL MCP Server MCP server in PolicyLayer and add a rule for estimate_query_risk: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches MSSQL MCP Server. Nothing to install.
estimate_query_risk is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the estimate_query_risk rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for estimate_query_risk. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
estimate_query_risk is provided by the MSSQL MCP Server MCP server (mortada7-11/mssql-mcpo-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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